The BMI tends to be a better predictor of body fat in individuals with higher levels of BMI. Therefore, you have to take into account individual circumstances when using body mass index calculations. However, this is due to increased lean muscle mass and not fat mass (or adiposity).Ĭalculating their BMI would give a false impression that they are overweight or obese.
įor instance, bodybuilders and athletes may have a higher body weight. As with all health calculations, it is an estimate and has limitations. In addition, it does not directly measure body fat. Since it only takes height and weight into consideration, it is not the perfect model for all individuals. While the BMI formula is a quick way to estimate health status and disease risk, it is not without fault. BMI Chart Body mass index weight categories defined by the World Health Organization and the CDC Weight Category These diseases all subsequently increase morbidity and premature death. These ranges for BMI are based on the fact that excess body fat and obesity increases the risk of chronic diseases and premature death.įor example, being overweight or obese significantly increase the risk of heart disease, hypertension, and diabetes in both men and women. Obesity can further be broken down into class 1, class 2, and class 3 (or severe) obesity. These categories are: underweight, normal weight, overweight, and obese. Studies have found that BMI is correlated with body fat and disease risk therefore, BMI ranges are broken down into categories to estimate your nutritional status. Once you calculate your BMI, you can then see where this falls on a body mass index chart such as the one below.
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